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Bivalirudin with a post-procedure infusion versus heparin monotherapy for the prevention of stent thrombosis.

Shah R, Latham SB, Porta JM, Naz A, Matin K, Rao SV. Bivalirudin with a post-procedure infusion versus heparin monotherapy for the prevention of stent thrombosis. Catheterization and Cardiovascular Interventions : Official Journal of The Society For Cardiac Angiography & Interventions. 2019 Aug 1; 94(2):210-215.

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Abstract:

OBJECTIVES: To evaluate the efficacy of post-primary percutaneous coronary intervention (PCI) bivalirudin infusion (at full PCI dose) to prevent stent thrombosis (ST) compared with heparin monotherapy. BACKGROUND: Early randomized controlled trials (RCTs) have shown that compared with heparin use, bivalirudin use during primary PCI is associated with an increased risk of ST. However, bivalirudin was stopped in those trials at the end of the procedure and glycoprotein IIb/IIIa inhibitors (GPIs) were routinely used with heparin. The increased risk of ST may be eliminated by continuing bivalirudin infusion post-procedure for few hours. Indeed, in most recent trials, a trend of lower ST risk has been observed with a post-procedure infusion of bivalirudin compared with heparin monotherapy (without the routine use of GPI). METHODS: Relevant RCTs were included and risk ratios (RRs) were calculated using random effect models. The primary outcome of interest was the risk of early definite ST. RESULTS: Four RCTs involving 13,505 patients were included in this meta-analysis. Compared with heparin monotherapy, bivalirudin (with a post-procedure infusion) was associated with a 55% decrease in the risk of early definite ST (RR: 0.45, 95% confidence interval: 0.23-0.85; P? = 0.015). There was no difference in the risk of early ST between bivalirudin (with a post-procedure infusion) and heparin with GPI. CONCLUSIONS: For primary PCI, a bivalirudin-based anticoagulant strategy (with post procedure infusion) is associated with a lower risk of early definite ST compared with treatment with heparin monotherapy (without GPI).




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